When a woman is first pregnant, the itchy surface of her belly may be caused by changes in the estrogen levels in her body. As the pregnancy time increases, the estrogen level in the body will also continue to rise, thus leading to an itchy belly. In the case of itchy belly, you should not scratch with your hands to prevent infection, you can apply olive oil or special skin care products for pregnant women to massage to relieve. If the itch is particularly serious, you need to go to the hospital for examination, according to the results of the examination for targeted treatment, and in the diet should also eat more fruits and vegetables, especially foods rich in vitamins and minerals, during pregnancy pregnant women must abstain from spicy, cold and irritating food, and regular pregnancy check-ups.